/*
 * Unit.h
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */

#pragma once

#include "Sprite.h"
#include "SpriteGroup.h"
#include "Counter.h"
#include "Missile.h"

class Unit : public Sprite
{
protected:
    enum UnitState
    {
        NORMAL,
        EXPLODING
    };

public:
    Unit(SDL_Surface* img, const SDL_Rect& area);

    bool fire();
    bool update(void* arg = NULL);
    void blit(SDL_Surface* screen);
    void erase(SDL_Surface* screen, SDL_Surface* background);

    int damage(int) { _state = EXPLODING; }

    SpriteGroup<Missile>& missiles() { return _missiles; }

protected:
    void reload_weapon();
    virtual Missile* createNewMissile() = 0;

protected:
    UnitState _state;
    const SDL_Rect& _area;
    int _max_missiles_count;
    Counter _fire_delay_counter;
    SpriteGroup<Missile> _missiles;
};

